CN203938862U - A kind of thread cutting device of Sewing machines - Google Patents
A kind of thread cutting device of Sewing machines Download PDFInfo
- Publication number
- CN203938862U CN203938862U CN201420269572.5U CN201420269572U CN203938862U CN 203938862 U CN203938862 U CN 203938862U CN 201420269572 U CN201420269572 U CN 201420269572U CN 203938862 U CN203938862 U CN 203938862U
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- China
- Prior art keywords
- base
- block
- depression bar
- cutting knife
- sewing machines
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Abstract
The utility model discloses a kind of thread cutting device of Sewing machines, comprise base, one side of described base is provided with depression bar, described depression bar is arranged on base by stage clip, one end of described stage clip is fixed in the base aperture of base, the other end is fixed in the strut kong on depression bar bottom face, on the top end face of described depression bar, be provided with pressing plate, the middle part of described pressing plate is provided with cutting knife, under described cutting knife, be provided with back-up block, between described cutting knife and back-up block, have gap, described back-up block is fixed on base.The utility model is simple in structure, and tangent line quality is good, convenient and practical.
Description
Technical field:
The utility model relates to technical field of textile machine, relates in particular a kind of thread cutting device.
Background technology:
Sewing machines is to use one or more sewing thread, forms one or more stitchings on sewing, the machine that makes one or more layers sewing interweave or unite by a seam, and sewing function is made the goods such as fabric and leather, plastics such as cotton, fiber crops, silk.
In prior art, the thread cutting device of Sewing machines has bottom-plate body, on bottom-plate body, be fixed wtih fixed cutting tool, on fixed cutting tool, be provided with and can move back and forth in progressive position in the movable cutting knife that can catch suture between going-back position and in the time retreating, and can overlap with this fixed cutting tool, one end of movable cutting knife and linkage component links, this linkage component wherein abdominal region can be arranged on bottom-plate body flexible rotating, on the other end of linkage component, the cylinder that has linked drive link parts, linkage component is rotated by the discrepancy of the piston rod of cylinder.By the rotation of linkage component, also rotate one end of linkage component, and the movable cutting knife linking with linkage component one end is moved back and forth, and movable cutting knife by with the co-operating of fixed cutting tool, will cut off retiring thereafter the suture capturing when moving.This thread cutting device complex structure, volume is larger, uses inconvenience; Also the thread cutting device having is that movable cutter is set on sewing machine cutter frame, and this movable cutter is to realize by the action of electromagnet, and in use, the position of electromagnet and knife rest can be subjected to displacement, and affects the tangent line quality of cutter.Therefore, be necessary to be improved.
Utility model content:
The purpose of this utility model is exactly the deficiency for prior art, and a kind of thread cutting device of Sewing machines is provided, and has simple in structurely, and tangent line quality is high, the advantage that area occupied is little.
Technology solution of the present utility model is as follows: a kind of thread cutting device of Sewing machines, comprise base, one side of described base is provided with depression bar, described depression bar is arranged on base by stage clip, one end of described stage clip is fixed in the base aperture of base, the other end is fixed in the strut kong on depression bar bottom face, on the top end face of described depression bar, be provided with pressing plate, the middle part of described pressing plate is provided with cutting knife, under described cutting knife, be provided with back-up block, between described cutting knife and back-up block, have gap, described back-up block is fixed on base.
As technique scheme preferably, described cutting knife is parallel to the length direction setting of pressing plate, described cutting knife is arranged on the bottom face of pressing plate.
As technique scheme preferably, on described base, be at least provided with two depression bars, between described depression bar, be arranged in parallel, and depression bar place plane parallel is in the width of pressing plate.
As technique scheme preferably, described back-up block is fixed on the middle part of base plate, and is parallel to the length direction setting of base.
As technique scheme preferably, on the top end face of described back-up block, be provided with " V " type groove, described groove is positioned at the middle part of back-up block top end face, and is parallel to the length direction setting of back-up block.
As technique scheme preferably, described base is fixed on the workbench of Sewing machines.
The beneficial effects of the utility model are: when sewing finishes, by manual suture snapping between cutting knife and back-up block, owing to having gap between cutting knife and back-up block, this gap is again much larger than the diameter of suture, so suture snaps between cutting knife and back-up block easily; Pressing plate can move up and down by depression bar and stage clip in the direction perpendicular to base, the cutting knife that is fixed on pressing plate lower surface is also doing upper and lower movement, and the suture between cutting knife and back-up block cuts off by moving down of pressing plate like this, simple in structure, tangent line quality is good, convenient and practical.
Brief description of the drawings:
Fig. 1 is the integrally-built oblique view of the utility model and Sewing machines;
Fig. 2 is the integrally-built oblique view of the utility model;
Fig. 3 is the oblique view of the utility model decomposition texture.
In figure, 10, pressing plate; 20, depression bar; 21, strut kong; 30, base; 31, base aperture; 40, back-up block; 41, groove; 50, cutting knife; 60, stage clip.
Detailed description of the invention:
Below, see shown in Fig. 1 to Fig. 3, describe the preferred embodiment of the utility model thread cutting device in detail, in embodiment " on ", the orientation such as D score, " top ", " bottom " is taking accompanying drawing as basis.
A kind of thread cutting device of Sewing machines, described thread cutting device is fixed on by base 30 on the workbench of Sewing machines, as shown in Figure 1, base 30 can or be fixed in the mode of pasting on the workbench of Sewing machines by bolt, screw, adopts the mode that glue is pasted that thread cutting device is fixed on the work top of Sewing machines in the present embodiment.
Described thread cutting device comprises base 30, and a side of described base 30 is at least provided with two depression bars 20, be arranged in parallel, and depression bar 20 place plane parallel is in the width of pressing plate 10 between described depression bar 20, described depression bar 20 is arranged on base 30 by stage clip 60, one end of described stage clip 60 is fixed in the base aperture 31 of base 30, the other end is fixed in the strut kong 21 on depression bar 20 bottom faces, on the top end face of described depression bar 20, be provided with pressing plate 10, the middle part of the bottom face of described pressing plate 10 is provided with cutting knife 50, cutting knife 50 is parallel to the length direction setting of pressing plate 10, under described cutting knife 50, be provided with back-up block 40, back-up block 40 is fixed on the middle part of base plate 30, and be parallel to the length direction setting of base 30, on the top end face of back-up block 40, be provided with " V " type groove 41, described groove 41 is positioned at the middle part of back-up block 40 top end faces, and be parallel to the length direction setting of back-up block 40, between described cutting knife 50 and back-up block 40, there is gap, described back-up block 40 is fixed on base 30.
Operation principle: when sewing finishes, by manual suture snapping between cutting knife 50 and back-up block 40, owing to having gap between cutting knife 50 and back-up block 40, this gap is again much larger than the diameter of suture, so suture snaps between cutting knife 50 and back-up block 40 easily; Pressing plate 10 can move up and down by depression bar 20 and stage clip 60 in the direction perpendicular to base 30, the cutting knife 50 that is fixed on pressing plate 10 lower surfaces is also doing upper and lower movement, suture between cutting knife 50 and back-up block 40 cuts off by moving down of pressing plate 10 like this, and described back-up block is provided with groove 41 on 40 upper ends, and described groove 41 arranges in order to facilitate tangent line.
Described embodiment is in order to illustrative the utility model, but not for limiting the utility model.Any those skilled in the art all can, under spirit of the present utility model and category, modify to described embodiment, and therefore rights protection scope of the present utility model, should be as listed in claim of the present utility model.
Claims (6)
1. the thread cutting device of a Sewing machines, it is characterized in that: comprise base (30), one side of described base (30) is provided with depression bar (20), described depression bar (20) is arranged on base (30) by stage clip (60), one end of described stage clip (60) is fixed in the base aperture (31) of base (30), the other end is fixed in the strut kong (21) on depression bar (20) bottom face, on the top end face of described depression bar (20), be provided with pressing plate (10), the middle part of described pressing plate (10) is provided with cutting knife (50), under described cutting knife (50), be provided with back-up block (40), between described cutting knife (50) and back-up block (40), there is gap, described back-up block (40) is fixed on base (30).
2. a kind of thread cutting device of Sewing machines according to claim 1, it is characterized in that: described cutting knife (50) is parallel to the length direction setting of pressing plate (10), described cutting knife (50) is arranged on the bottom face of pressing plate (10).
3. a kind of thread cutting device of Sewing machines according to claim 1, it is characterized in that: on described base (30), be at least provided with two depression bars (20), described depression bar is arranged in parallel between (20), and depression bar (20) place plane parallel is in the width of pressing plate (10).
4. a kind of thread cutting device of Sewing machines according to claim 1, is characterized in that: described back-up block (40) is fixed on the middle part of base plate (30), and is parallel to the length direction setting of base (30).
5. a kind of thread cutting device of Sewing machines according to claim 4, it is characterized in that: on the top end face of described back-up block (40), be provided with " V " type groove (41), described groove (41) is positioned at the middle part of back-up block (40) top end face, and is parallel to the length direction setting of back-up block (40).
6. a kind of thread cutting device of Sewing machines according to claim 1, is characterized in that: described base (30) is fixed on the workbench of Sewing machines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269572.5U CN203938862U (en) | 2014-05-23 | 2014-05-23 | A kind of thread cutting device of Sewing machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420269572.5U CN203938862U (en) | 2014-05-23 | 2014-05-23 | A kind of thread cutting device of Sewing machines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203938862U true CN203938862U (en) | 2014-11-12 |
Family
ID=51858192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420269572.5U Expired - Fee Related CN203938862U (en) | 2014-05-23 | 2014-05-23 | A kind of thread cutting device of Sewing machines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203938862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952868A (en) * | 2014-05-23 | 2014-07-30 | 湖州博仁纺织品有限公司 | Thread cutting device of sewing machine |
-
2014
- 2014-05-23 CN CN201420269572.5U patent/CN203938862U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103952868A (en) * | 2014-05-23 | 2014-07-30 | 湖州博仁纺织品有限公司 | Thread cutting device of sewing machine |
| CN103952868B (en) * | 2014-05-23 | 2016-05-25 | 湖州博仁纺织品有限公司 | A kind of thread cutter of sewing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141112 Termination date: 20150523 |
|
| EXPY | Termination of patent right or utility model |